656701 has 2 divisors, whose sum is σ = 656702. Its totient is φ = 656700.

The previous prime is 656687. The next prime is 656707. The reversal of 656701 is 107656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488601 + 168100 = 699^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 656701 - 2¹³ = 648509 is a prime.

It is an alternating number because its digits alternate between even and odd.

656701 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 656701.

It is not a weakly prime, because it can be changed into another prime (656707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328350 + 328351.

It is an arithmetic number, because the mean of its divisors is an integer number (328351).

2⁶⁵⁶⁷⁰¹ is an apocalyptic number.

It is an amenable number.

656701 is a deficient number, since it is larger than the sum of its proper divisors (1).

656701 is an equidigital number, since it uses as much as digits as its factorization.

656701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 656701 is about 810.3709027353. The cubic root of 656701 is about 86.9205687130.

The spelling of 656701 in words is "six hundred fifty-six thousand, seven hundred one".